#4B5ADF
Closest named color: Warm Blue (#4B57DB). oklch(53.5% 0.201 272.7), rgb(75, 90, 223).
Aa
White text reads best on this color (5.48:1).
About this color
#4B5ADF is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.201 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.009 away. White text reads best on it, at 5.48:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.201) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.82:1 |
| White text | 5.48:1 |
Values
| HEX | #4B5ADF |
| RGB | rgb(75, 90, 223) |
| HSL | hsl(234, 70%, 58%) |
| OKLCH | oklch(53.5% 0.201 272.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #4B5ADF | 5.48:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #4B5ADF | 3.82:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #4B5ADF text on white | 5.48:1 | AA | Lc 76.9 | Fine for body text |
| #4B5ADF text on black | 3.82:1 | AA large text | Lc -24.9 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CED8FB
oklch(88.6% 0.049 272.8)
-
Step 300
300
#ADBDFC
oklch(80.9% 0.091 273.2)
-
Step 400
400
#8399FA
oklch(70.8% 0.144 272.6)
-
Step 500
500
#667BF7
oklch(63% 0.185 272.7)
-
Step 600
600 (this color)
#4B5ADF
oklch(53.5% 0.201 272.7)
-
Step 700
700
#424FC8
oklch(49.1% 0.186 272.8)
-
Step 800
800
#3641A2
oklch(42.6% 0.156 273)
-
Step 900
900
#2E3980
oklch(37.7% 0.12 272.7)
-
Step 950
950
#1B224B
oklch(27% 0.076 273)
#4B5ADF with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #0070E3 | 0.062 |
| Deuteranopia (no green cones) | #0062DC | 0.050 |
| Tritanopia (no blue cones) | #007B94 | 0.164 |
| Achromatopsia (no color) | #696969 | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B5ADF
#4B5ADF
oklch(53.5% 0.201 272.7)
- #846B00
#846B00
oklch(53.7% 0.11 92.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #4B5ADF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.009
- Neon Blue #4361EE ΔE 0.028
- Royal Blue #4169E1 ΔE 0.035
- Azul #1D5DEC ΔE 0.043
- Dark Periwinkle #665FD1 ΔE 0.046
- Slate Blue #6A5ACD ΔE 0.052
- Iris #6258C4 ΔE 0.052
- Light Indigo #6D5ACF ΔE 0.054
Use #4B5ADF in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.